//TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
// click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.

import OOP.Poly_Exercise.PolyExercise_Arr.Cat;

import java.util.Arrays;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        C b= new C();
        System.out.println(A.a);

    }
}

interface A {
    int a = 0;
}

class B{
    int a = 1;
}

//实现接口
class C extends B implements A{

}

class D{
    int a = 1;

}








